:root {
  --bg: #081020;
  --card: rgba(18, 29, 54, 0.92);
  --line: rgba(255, 255, 255, 0.13);
  --text: #f8fafc;
  --muted: #b7c1d4;
  --accent: #f4b942;
  --link: #79b8ff;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  background:
    radial-gradient(circle at 15% 10%, rgba(78, 161, 255, 0.2), transparent 32%),
    radial-gradient(circle at 85% 10%, rgba(244, 185, 66, 0.16), transparent 30%),
    linear-gradient(145deg, #07101f 0%, #0d1428 60%, #12162d 100%);
}

a {
  color: var(--link);
}

.page {
  width: min(920px, calc(100% - 28px));
  margin: 0 auto;
  padding: 28px 0 50px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 34px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: white;
  text-decoration: none;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 43px;
  height: 43px;
  border-radius: 14px;
  color: #10131c;
  background: linear-gradient(145deg, #ffe9a7, var(--accent));
  font-weight: 950;
}

.back {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #dce4f3;
  background: rgba(255, 255, 255, 0.05);
  text-decoration: none;
  font-size: 14px;
  font-weight: 750;
}

.card {
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--card);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.34);
}

h1 {
  margin: 0 0 28px;
  font-size: clamp(38px, 7vw, 62px);
  line-height: 1;
  letter-spacing: -0.055em;
}

h2 {
  margin: 34px 0 12px;
  color: var(--accent);
  font-size: 22px;
  letter-spacing: -0.025em;
}

h3 {
  margin: 24px 0 9px;
  font-size: 17px;
}

p,
li {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

ul {
  padding-left: 22px;
}

address {
  color: var(--muted);
  font-style: normal;
  line-height: 1.75;
}

.note {
  margin-top: 30px;
  padding: 16px 18px;
  border: 1px solid rgba(244, 185, 66, 0.25);
  border-radius: 16px;
  color: #ffe7ad;
  background: rgba(244, 185, 66, 0.07);
  line-height: 1.6;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  margin-top: 28px;
  color: #8591a9;
  font-size: 13px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links a {
  color: #aeb9ce;
  text-decoration: none;
}

@media (max-width: 600px) {
  .topbar {
    align-items: flex-start;
  }

  .brand {
    font-size: 18px;
  }

  .card {
    border-radius: 22px;
  }
}